8．My father _____________ me a funny joke and I can't stop laughing every time I think of it.
A．told B．tells C．will tell D．is telling
【分析】我爸爸给我讲了一个有趣的笑话，我每次想到它就忍不住笑话。
【解答】根据I can't stop laughing every time I think of it，可知是指我爸爸过去给我讲的笑话。动作发生在过去，用动词过去式。
故选：A。
【点评】熟悉实义动词过去式的用法，结合题意，给出答案。